The perinatal nurse describes the need for an assessment for deep vein thrombosis (DVT)in the postpartum patient.Which of the following is one test that can be used as a screening measure for DVT?

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Homans' sign is often used in the assessment for deep venous thrombosis (DVT)in the leg.To assess for Homans' sign,the patient's legs should be extended and relaxed,with the knees flexed.The examiner grasps the foot and sharply dorsiflexes it.No pain or discomfort should be present.The other leg is assessed in the same manner.If calf pain is elicited,a positive Homans' sign is present.The pain occurs from inflammation of the blood vessel and is believed to be associated with the presence of a thrombosis.Pain on dorsiflexion is indicative of DVT in approximately 50% of patients.A negative Homans' sign does not rule out DVT.Chadwick's sign is a bluish discoloration of the cervix that may indicate pregnancy.Grey Turner's sign is a bruising or bluish discoloration of the flank,often seen in acute pancreatitis.McBurney's sign,an indicator of appendicitis,is a deep tenderness to palpation at McBurney's point.

The Perinatal Nurse Describes the Need for an Assessment for Deep